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DongJie Guan; HaiFeng Li; Takuro Inohae; Weici Su; Tadashi Nagaie; Kazunori Hokao. (2011). Modeling urban land use change by the integration of cellular automaton and Markov model. , 222(20-22), 3761–3772. doi:10.1016/j.ecolmodel.2011.09.009 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research